Harder, Amy, and Gary J. Wingenbach. “TEXAS 4-H AGENTS’ PERCEPTIONS OF SELECTED COMPETENCIES IN THE 4-H PROFESSIONAL RESEARCH, KNOWLEDGE, AND COMPETENCIES MODEL”. Journal of Agricultural Education 49, no. 2 (June 30, 2008): 64–74. Accessed July 13, 2024. https://jae-online.org/index.php/jae/article/view/918.